Air-source auxiliary heat pump 空气源辅助热泵
The drying machine has simple structure and is easy to operate, adopts the solar energy as the main heat source and the heat pump as the auxiliary heat source to provide high drying efficiency.
结构简单、使用方便，晾晒效率高的以太阳能为主要热源，热泵为辅助热源。
The limitation of the single-effect LiBr absorption chilling circle driven by the low temperature solar energy heat source require adopting auxiliary means for proper operation.
由于单效溴化锂吸收制冷循环受太阳能热源温度较低的限制，需要采用适当的辅助手段。
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